1.
2.
3.
PISTON
ASSEMBLY
Lubricate all parts with engine oil.
Position piston on its respective rod and install the
pin.
Install the rings on the pistons starting with the oil
control ring (Figure 26). Use a piston ring spreader
to prevent twisting or excessive expansion
of
the
ring. Compression rings have a dot or the word
“top” on one side of the ring to indicate which side
faces the top of the piston. Unmarked piston rings
can be installed either way. The oil control ring has
an expander; install the expander first and then
close until the expander ends
butt.
The joint should
be
180
degrees from the gap of that ring.
CT-1047
FIGURE
26.
PISTON RINGS
INSTALLATION
OF
PISTON
IN
CYLINDER
Turn
the
crankshaft
to
position
the
number one
rod
bearing journal at the bottom of its stroke.
Lubricate the number one piston assembly and
inside of the cylinder. Compress the rings with a ring
compressor (Figure 27).
Position the piston and rod assembly in the cylinder
block.
Oil
squirt hole of connecting rod must face
camshaft.
Tap the piston down into the bore with the handle
end of a hammer until the connecting rod is seated
on the journal (Figure 27). Install the bearing cap on
the rod.
P216, P218, P220
Install one fastener and tighten to
5
ft-lbs (7
Nm).
Repeat this for the other fastener. Tighten both
fasteners down to the torque specified in
ASSEMBLY
TORQUES.
P224
Install and tighten the nuts evenly in steps, to the
torque specified in
ASSEMBLY
TORQUES.
CT-1048 CT-1087
P216, P210, P220
CONNECTING
ROD
P224
CONNECTING
ROD
CT-1087
FIGURE
27.
INSTALLING PISTON AND
CONNECTING
ROD
Install the remaining piston and rod in the same
manner. Crank the engine over by hand
to
see that
all bearings are free.
Install the oil base with a new gasket.
Install the cylinder heads. See Cylinder Headsection
for torques and torquing procedure.
Replace
oil
and break in engine.
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